# Accident 20071019825139A: Robsin R44RAVENII, Morrison, MO, October 19, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 19, 2007, 16:25 local time
- Place: Morrison, MO
- Damage: Substantial damage
- Phase of flight: Slope Landing
- Operating rules: General operating rules (Part 91)
- Location: 38.5203° N, 91.6286° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.5203&lon=-91.6286&mi=10
- Aircraft: N3246H, registered now (https://openairdocs.org/aircraft/N3246H) (OpenAirDocs)
- Registry model: Robinson Helicopter R44 II (registry code 7640122, https://openairdocs.org/model/robinson-helicopter-r44-ii) (OpenAirDocs)
- Registry engine: Lycoming IO-540-AE1A5 (registry code 41899, https://openairdocs.org/engine/lycoming-io-540-ae1a5) (OpenAirDocs)
- Reported make and model: ROBSIN R44RAVENII
- Reported engine: LYC IO540AE1A5
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 2,400 total, 38 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB CHI08CA023](https://openairdocs.org/ntsb/CHI08CA023) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20071019825139A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ON OCTOBER 19, 2007, THE PILOT ^PRIVACY DATA OMITTED^ FLEW HIS PRIVATELY OWNED ROBINSON R-44 II HELICOPTER FOR PERSONAL TRANSPORTATION TO AN ASSOCIATES FARM. UPON INITIATING HIS LANDING IN WHAT THE PILOT ^PRIVACY DATA OMITTED^ REFERRED TO AS SOMEWHAT WINDY CONDITIONS, HE LOST CONTROL OF THE AIRCRAFT RESULTING IN THIS ACCIDENT. THE PILOT ^PRIVACY DATA OMITTED^ STATED AFTER TOUCHING THE AIRCRAFT SKIDS ON THE GROUND, IT BEGAN TO OSCILLATE FORE AND AFT. THE PILOT ^PRIVACY DATA OMITTED^ STATED THAT THE OCILLATIONS INCREASED IN INTENSITY UNTIL THE MAIN ROTOR CONTACTED THE GROUND RESULTING IN THE ROLLOVER OF THE AIRCRAFT. A WITNESS TO THIS ACCIDENT, ^PRIVACY DATA OMITTED^, CONCURRED WITH THESE OBSERVATIONS. I OBSERVED THE AIRCRAFT TO BE RESTING ON ITS LEFT SIDE WITH ITS NOSE FACING 105 DEGREES. THE AREA IN WHICH THE LANDING WAS ATTEMPTED WAS APPROXIMATELY A FIVE DEGREE INCLINE ON AN UNIMPROVED GRASSY AREA. BOTH MAIN ROTORS HAD SEPARATED FROM THE ROTOR HEAD AND THE ROTOR MAST FAIRINGS INDICATED APPROXIMATELY A FIVE DEGREE INCLINE ON AN UNIMPROVED GRASSY AREA. BOTH MAIN ROTORS HAD SEPARATED FROM THE ROTOR HEAD AND THE ROTOR MAST FAIRINGS INDICATED TORSION STRESS. THE TAIL BOOM AND TAIL ROTOR "STINGER" HAD BEEN BENT AT THE FUSELAGE ATTACH POINT. THERE WERE THREE WITNESS MARKS ON THE GROUND AT THE AREA OF THE TAIL BOOM INDICATING THE LOCATION THAT THE MAIN ROTORS MADE CONTACT. THE LEFT FRONT SKID TIP FORWARD OF THE STRUT ATTACHMENT POINT HAD SEPARATED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI08CA023](https://openairdocs.org/ntsb/CHI08CA023), Oct 19, 2007: Robinson R44 Raven II (N3246H), Morrison, MO, destroyed. Probable cause: Loss of control on the ground due to aircraft control not being maintained by the pilot. Contributing factors were the gusting winds and the uneven ground.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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